LTC2232C 查看數據表（PDF） - Linear Technology
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LTC2232C Datasheet PDF : 28 Pages
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LTC2232/LTC2233
A ALOG I PUT The ● denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 4)
SYMBOL
VIN
VIN, CM
IIN
ISENSE
IMODE
PARAMETER
Analog Input Range (AIN+ – AIN–)
Analog Input Common Mode (AIN+ + AIN–)/2
Analog Input Leakage Current
SENSE Input Leakage
MODE Pin Pull-Down Current to GND
Full Power Bandwidth
CONDITIONS
3.1V < VDD < 3.5V
Differential Input
Single Ended Input (Note 7)
0 < AIN+, AIN– < VDD
0V < SENSE < 1V
Figure 8 Test Circuit
MIN TYP MAX
●
±0.5 to ±1
●1
1.6
1.9
● 0.5
1.6
2.1
● –1
1
● –1
1
10
775
UNITS
V
V
V
µA
µA
µA
MHz
tAP
tJITTER
CMRR
Sample and Hold Acquisition Delay Time
Sample and Hold Acquisition Delay Time Jitter
Analog Input Common Mode Rejection Ratio
0
ns
0.15
psRMS
80
dB
DY A IC ACCURACY The ● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)
SYMBOL PARAMETER
CONDITIONS
LTC2232
LTC2233
MIN TYP MAX MIN TYP MAX
UNITS
SNR
Signal-to-Noise Ratio
30MHz Input (1V Range)
59.8
59.9
dB
30MHz Input (2V Range)
● 60.4 61.3
60.4 61.3
dB
70MHz Input (1V Range)
70MHz Input (2V Range)
59.8
59.8
dB
61.2
61.3
dB
140MHz Input (1V Range)
140MHz Input (2V Range)
59.8
59.8
dB
61.2
61.2
dB
250MHz Input (1V Range)
250MHz Input (2V Range)
59.6
59.7
dB
61.1
61.2
dB
SFDR
Spurious Free Dynamic Range 30MHz Input (1V Range)
80
80
dB
30MHz Input (2V Range)
● 69 78
69 78
dB
70MHz Input (1V Range)
70MHz Input (2V Range)
80
80
dB
78
78
dB
140MHz Input (1V Range)
140MHz Input (2V Range)
78
78
dB
78
78
dB
250MHz Input (1V Range)
250MHz Input (2V Range)
71
73
dB
70
72
dB
SFDR
Spurious Free Dynamic Range 30MHz Input (1V Range)
4th Harmonic or Higher
30MHz Input (2V Range)
86
86
dB
86
86
dB
70MHz Input (1V Range)
70MHz Input (2V Range)
86
86
dB
86
86
dB
140MHz Input (1V Range)
140MHz Input (2V Range)
86
86
dB
86
86
dB
250MHz Input (1V Range)
250MHz Input (2V Range)
86
86
dB
86
86
dB
S/(N+D)
Signal-to-Noise Plus
30MHz Input (1V Range)
59.8
59.9
dB
Distortion Ratio
30MHz Input (2V Range)
● 60.2 61.3
60.2 61.3
dB
70MHz Input (1V Range)
70MHz Input (2V Range)
59.8
59.8
dB
61.2
61.2
dB
IMD
Intermodulation Distortion
fIN1 = 138MHz, fIN2 = 140MHz
81
81
dBc
22323fa
3
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